| Castricum to Krotoszyn | 544.23 mi (875.85 km) |
| Castricum to Kruszwica | 572.39 mi (921.16 km) |
| Castricum to Krynica | 739.12 mi (1,189.50 km) |
| Castricum to Krzeszowice | 665.85 mi (1,071.59 km) |
| Castricum to Kudowa-Zdroj | 518.11 mi (833.82 km) |
| Castricum to Kutno | 619.14 mi (996.41 km) |
| Castricum to Kwidzyn | 595.77 mi (958.80 km) |
| Castricum to Lancut | 775.80 mi (1,248.53 km) |
| Castricum to Lapy | 760.10 mi (1,223.26 km) |
| Castricum to Lask | 616.93 mi (992.85 km) |
| Castricum to Laziska Gorne | 632.95 mi (1,018.63 km) |
| Castricum to Lebork | 553.66 mi (891.02 km) |
| Castricum to Leczna | 778.88 mi (1,253.48 km) |
| Castricum to Leczyca | 614.00 mi (988.13 km) |
| Castricum to Legionowo | 681.12 mi (1,096.16 km) |
